BOK FINL CORP

Ticker: BOKF CUSIP: 05561Q201 Class: Common Stock

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

Note: Option positions (PUT/CALL) are excluded.

Q4 2018

Shares 5,100 Value ($000) $374 Avg Close $70.23 Range $58.13 - $81.68

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	5,100	$374	$70.23	$58.13 - $81.68